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Datatähti 2025 alku

Kortit I

  • Start: 2024-10-28 00:00:00
  • End: 2024-11-11 00:00:00
CSES - Datatähti 2025 alku - Results
Submission details
Task:Kortit I
Sender:NoelMatero
Submission time:2024-10-30 16:51:35 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.00 s1, 2, 3details
#20.01 s2, 3details
#30.01 s3details
#40.01 s3details
#50.01 s3details
#60.01 s3details
#70.01 s3details
#80.01 s3details
#90.01 s3details
#100.01 s3details
#110.01 s3details
#120.01 s3details
#130.01 s3details
#140.01 s3details
#150.01 s3details
#160.01 s3details
#170.01 s3details
#180.01 s3details
#190.01 s3details
#200.01 s3details

Compiler report

input/code.cpp: In function 'void solve(int, int, int)':
input/code.cpp:25:9: warning: unused variable 'usable1_s' [-Wunused-variable]
   25 |     int usable1_s = usable1.size();
      |         ^~~~~~~~~
input/code.cpp:26:9: warning: unused variable 'usable2_s' [-Wunused-variable]
   26 |     int usable2_s = usable2.size();
      |         ^~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <numeric>
using namespace std;
 
void solve(int n, int a, int b) {
    if (a + b > n) {
        cout << "NO" << endl;
        return;
    }
 
    vector<int> nums(n);
    iota(nums.begin(), nums.end(), 1);
 
    set<int> usable1, usable2;
    vector<int> solution1, solution2;    
    
    for (int i = 1; i <= n; i++) {
        usable1.insert(i);
        usable2.insert(i);
    }
 
    int usable1_s = usable1.size();
    int usable2_s = usable2.size();
    
    if (a + b < n) {
        for (int i = 1; i <= n - (a + b); i++) {
            solution1.push_back(i);
            solution2.push_back(i);            
            usable1.erase(i);
            usable2.erase(i);
        }
    }        

    if (b>a) {
        for (int i = 0; i < a; i++) {
            int val1 = *prev(usable1.end());
            int val2 = *usable2.begin(); 
            //cout << "val1: " << val1 << " ";
            //cout << "val2: " << val2<< " ";
            if (val1==val2) {
                cout << "NO" << endl;
                return;
            }             
            solution1.push_back(val1);
            usable1.erase(val1);
                     
            solution2.push_back(val2);
            usable2.erase(val2);
        }

        for (int i = 0; i < b; i++) {
            int val2 = *prev(usable2.begin());        
            int val1 = usable1.size() > 1 ? *usable1.end() : *usable1.begin(); 
            //cout << "val1: " << val1<< " ";
            //cout << "val2: " << val2<< " ";
            if (val1==val2) {
                cout << "NO" << endl;
                return;
            }                 
            solution2.push_back(val2);
            usable2.erase(val2);        
        
        
            solution1.push_back(val1);
            usable1.erase(val1);
        }     
    } else if (a>b) {
        for (int i = 0; i < b; i++) {
            int val2 = *(usable2.begin());        
            int val1 = usable1.size() > 1 ? *usable1.end() : *usable1.begin(); 
            //cout << "val1: " << val1<< " ";
            //cout << "val2: " << val2<< " ";
            if (val1==val2) {
                cout << "NO" << endl;
                return;
            }                  
            solution2.push_back(val2);
            usable2.erase(val2);        
        
        
            solution1.push_back(val1);
            usable1.erase(val1);
        }     

        for (int i = 0; i < a; i++) {
            int val1 = *prev(usable1.end());
            int val2 = *usable2.begin(); 
            //cout << "val1: " << val1<< " ";
            //cout << "val2: " << val2<< " ";
            if (val1==val2) {
                cout << "NO" << endl;
                return;
            }                
            solution1.push_back(val1);
            usable1.erase(val1);
                     
            solution2.push_back(val2);
            usable2.erase(val2);
        }
    }

    if (solution1.size() == solution2.size()) {
        cout << "YES" << endl;
    } else {
        cout << "NO"; 
        return;
    }
 
    for (int i : solution1) cout << " " << i;
    cout << endl;
    for (int i : solution2) cout << " " << i;
    cout << endl;
}
 
int main() {
    int t;
    cin >> t;    
 
    while (t--) {
        int n, a, b;
        cin >> n >> a >> b;
        solve(n, a, b);
    }
    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
54
4 4 0
3 1 3
3 2 2
4 0 4
...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
YES
 4 3 2 1
 1 2 3 4
NO
NO
...
view save

Test 2

Group: 2, 3

Verdict:

input
284
6 1 0
5 0 2
7 1 5
7 7 5
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 
2 3 4 5 6 1 7 
...
view save

user output
NO
YES
 1 2 3 2 2
 1 2 3 4 5
NO
...
view save

Test 3

Group: 3

Verdict:

input
955
14 2 10
12 2 5
10 4 9
14 1 13
...
view save

correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 4

Group: 3

Verdict:

input
869
17 12 9
16 8 4
15 9 9
17 11 15
...
view save

correct output
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
YES
 1 2 3 4 12 11 10 9 16 15 14 1...
view save

Test 5

Group: 3

Verdict:

input
761
18 3 15
19 1 15
18 8 1
19 19 17
...
view save

correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
YES
 1 2 3 4 5 6 7 8 9 9 18 17 16 ...
view save

Test 6

Group: 3

Verdict:

input
925
21 14 21
20 18 18
20 7 6
21 14 9
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 7

Group: 3

Verdict:

input
529
22 3 3
22 17 5
22 6 15
22 22 20
...
view save

correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
YES
 1 2 3 4 5 6 7 8 9 10 11 12 13...
view save

Test 8

Group: 3

Verdict:

input
576
23 18 9
23 16 8
23 16 13
23 16 22
...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 9

Group: 3

Verdict:

input
625
24 2 22
24 15 21
24 6 3
24 21 1
...
view save

correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
YES
 1 2 3 4 5 6 7 8 9 10 11 12 13...
view save

Test 10

Group: 3

Verdict:

input
676
25 16 25
25 15 2
25 15 7
25 15 16
...
view save

correct output
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
YES
 1 2 3 22 21 20 19 18 17 16 25...
view save

Test 11

Group: 3

Verdict:

input
729
26 2 18
26 14 18
26 5 18
26 19 13
...
view save

correct output
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 12

Group: 3

Verdict:

input
784
27 26 7
27 14 0
27 14 5
27 14 14
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
YES
 1 2 3 4 5 6 7 8 9 10 11 12 13...
view save

Test 13

Group: 3

Verdict:

input
841
28 26 16
28 13 19
28 5 8
28 26 4
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
YES
...
view save

Test 14

Group: 3

Verdict:

input
900
29 24 15
29 13 2
29 13 7
29 13 16
...
view save

correct output
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 15

Group: 3

Verdict:

input
961
30 24 26
30 12 24
30 4 29
30 24 14
...
view save

correct output
NO
NO
NO
NO
YES
...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 16

Group: 3

Verdict:

input
1000
15 12 6
33 18 30
44 4 26
6 6 5
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 17

Group: 3

Verdict:

input
1000
45 32 30
4 0 3
46 23 10
71 19 46
...
view save

correct output
NO
NO
YES
1 2 3 4 5 6 7 8 9 10 11 12 13 ...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 18

Group: 3

Verdict:

input
1000
51 29 37
75 11 72
5 2 4
31 8 26
...
view save

correct output
NO
NO
NO
NO
YES
...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 19

Group: 3

Verdict:

input
1000
50 20 37
99 45 58
86 79 73
85 70 54
...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
NO
NO
NO
NO
NO
...
view save

Test 20

Group: 3

Verdict:

input
1000
26 23 5
73 53 59
64 47 41
80 75 55
...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
NO
NO
NO
NO
NO
...
view save

Tasks

A Pizzat-B Robotti-C Kortit I-D Kortit II-E Niitty-F Tikut-

Submissions (NoelMatero)

2024-11-02 18:00:43 1002024-11-02 17:58:34 02024-11-02 17:58:10 02024-11-01 14:49:18 02024-11-01 14:48:41 02024-10-31 20:32:13 122024-10-31 20:30:56 122024-10-31 20:27:19 122024-10-31 13:11:22 122024-10-30 16:51:35 02024-10-30 14:02:53 02024-10-30 12:28:08 02024-10-30 12:26:13 02024-10-30 12:25:28 02024-10-28 23:04:58 02024-10-28 22:36:42 0